Immunoassay for neonicotinyl insecticides
CA 2393084 C · Owner: Simmons, Dana Philip · Inventors: Wilson, Timothy Edward; Brady, James Francis; Simmons, Dana Philip
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention provides immunogens for generating anti-neonicotinoid antibodies as well as antibodies, methods reagents, and kits for determining , the presence of one or more neonicotinoid insecticides in a sample by immunoassay. The present invention has particular application to determination of the concentration of neonicotinoid insecticides applied to a plant propagation materials such as seed, said antibody is selective for a compound of formula (I) wherein A is 2-chloropyrid-5-yl or 2-chlorothiazol-5-yl; R and R3 independently are hydrogen or C1-C4alkyl; R1 and R2 independently are hydrogen or C1-C4alkyl or R1 and R2 are taken together with the nitrogen atoms to which …
Read the whole patent
Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Filed December 6, 2000 and granted May 14, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended December 6, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 6, 2022.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.